334 48. POLYPODIUM, §§§§§ EUPOLYPODIUM. 



Hab. Mexico. — Judging from the description, P. Ehrenhergianum, Klotzsch, may be a 

 form of this with broader pinns. See Kuhn Beitrage, p. 17. 



185. P. ^^c^/i<czW«;», Kaulf. ; rhizome stout, wide-creeping, densely scaly ; st. 

 8-6 in. 1., rigid, erect, naked, glossy ; fr. G-12 in. 1., 3-5 in. br., cut down nearly 

 or quite to the rachis into close blunt entire or subacute pinnce J-§ in. br. ; 

 texture coriaceous ; rachis and both sides naked ; veinlets pellucid, subpinnate ; 

 sori large, prominent. — Hk. Sp. 4. p. 206. 2nd Cent. t. 44. 



Hab. Sandwich Isles. — P. mp'iocarpum, Hk. Ic. t. 84. is a form with pinnatifid pinnae. 

 Very like P. vulgare in habit, but the veins beautifully pellucid, distinct even in dried 

 specimens. 



18G. P. vuJgare, Linn. ; rhizome stout, the scales bright-ferruginous ; st. 2-4 

 in. 1., firm, erect, stramineous ; fr. 6-12 in. 1., 3-6 in. br., cut down nearly or 

 quite to the rachis into close entire or slightly toothed usually blunt pinnm 

 \-\ in. br. ; texture herbaceous or subcoriaceous ; hoth sides naked ; veinlets 

 pinnate ; sori large, uniserial. Hk. Sp. 5. 2). 205. Brit. F. t. 22. 



Hab. Lapland, throughout Europe to the Azores, Madeira, Barbary States, Turkey in 

 Asia, and Japan ; Cape Colony. N. America— Sitka, southward to California and the 

 north of ^lexico. — P. aus^rcde, Fee, is a large southern form ; P. camhricum, L., a form 

 with often deeply pinnatifid pinnae ; and P.falcatum, Kellogg {P. glycyrhiza, Eaton), a 

 Californian variety, with the pinnae finely toothed, and narrowed very gradually to an 

 acute point. 



tt Most ofthepinnce distinctlj/ separated at the base. Sp. 187-207. 



_ 187. P. clavifer, Hk. ; st. densely tufted, very short ; fr. 4-5 in. 1., \ in. br., 

 pinnate throughout ; ^MWZfB distant, linear-subulate, rigid, curved, the fertile 

 ones dilated at the point, which bears a large solitary sorus and is tipped with a 

 bristle ; rachis rigid, ciliated with deciduous bristly hairs ; texture coriaceous. — 

 Hk. Sp. 4. p. 176. Grammitis, Hk. Ind Cent. t. 5.' 



Hab. Borneo, H. Low. — A very distinct plant, with the dilated apex of the pinnae 

 holding the solitary sorus like a spoon, thus falling under Calymmodon of Presl. 



188. P. tenuifoliiim, H. B. K. ; rhizome stout, clothed with reddish-brown 

 fibrillose scales ; st. 2-3 in. 1., slender, naked, erect ; fr. 8-12 in. I., 1^-2 in. br., 

 cut down to the rachis into distant linear blunt entire or slightly crenated 

 pi7in(B 1 lin. br. ; texture papyraceo-herbaceous ; rachis and both sides naked ; 

 veinlets simple or rarely forked ; sori slightly immersed, in two rows of 6-10 each 

 to a pinna.— //^-. Sp. 4. p. 192. 



Hab. West Indies and Columbia.— Grisebach considers this P. Otites, Sw., but the 

 plant of Linnaeus is in part P. pectinatum. 



189. P. vetiulosum, Blume ; st. tufted, rigid, wiry, 1-3 in. ]., deciduously 

 villose ; fr. 12-18 in. ]., 1-1 ^ in. br., cut down to the rachis throughout into close 

 entire horizontal jnnnce 1 lin. br. ; texttire subcoriaceous ; colour dark-green ; 

 rachis villose ; both sides naked ; 7mdrib and simple veinlets raised ; sori copious, 

 immersed.— i7^. Sp. 4. p. 223. Cryptosorus, Fee. 



Hab. Malay Isles.— This and the preceding resemble P. pectinatum in habit, but the 

 piiiii£e are more distinctly separated. 



190. P. heteromorphm, Hk. & Gr. ; st. tufted, slender, wiry, naked • fr very 

 flaccid, pendent, simple or dichotomously forked or pinnate, with close irre'^ular 

 pinnl. 12-18 in. 1., |-^ in. br. ; pinnce close, obovate or oblong, ff in. 1., U-2lin. 

 br., entire or pinnatifi.l with short blunt Iol>es ; texture papyraceo-herbaceous • 

 rachis and both sides densely clothed with soft spreading hairs ; veiiilets of the 



